Constructed in 1925, the Builders Exchange building now houses apartments and two restaurants.

Constructed in 1925, the Builders Exchange building now houses apartments and two restaurants.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

Constructed in 1925, the Builders Exchange building now houses... Photo-4589082.61867 - San Antonio Express-News

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The Edward Steves Homestead was built in 1876 for Edward Steves, founder of the Steves Lumber Company.

The Edward Steves Homestead was built in 1876 for Edward Steves, founder of the Steves Lumber Company.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

The Edward Steves Homestead was built in 1876 for Edward Steves,... Photo-4589083.61867 - San Antonio Express-News

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In 1952, the property was donated to the Conservation Society Foundation.

In 1952, the property was donated to the Conservation Society Foundation.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

In 1952, the property was donated to the Conservation Society... Photo-4589084.61867 - San Antonio Express-News

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Taboola Gallery Frame Item-85307.61867 - San Antonio Express-News

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The Medical Arts Building opened in 1926 and was designed by Ralph Cameron.

The Medical Arts Building opened in 1926 and was designed by Ralph Cameron.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

The Medical Arts Building opened in 1926 and was designed by Ralph... Photo-4589085.61867 - San Antonio Express-News

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According to the Conservation Society website, the facade was donated to the foundation by Alamo Partners of California.

According to the Conservation Society website, the facade was donated to the foundation by Alamo Partners of California.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

According to the Conservation Society website, the facade was... Photo-4589086.61867 - San Antonio Express-News

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Constructed in 1906, the Fairmount Hotel was originally located on Bowie and Commerce streets, the site of the Rivercenter Mall. In 1985, it was moved to its current location at 401 S. Alamo St.

Constructed in 1906, the Fairmount Hotel was originally located on Bowie and Commerce streets, the site of the Rivercenter Mall. In 1985, it was moved to its current location at 401 S. Alamo St.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

Constructed in 1906, the Fairmount Hotel was originally located on... Photo-4589087.61867 - San Antonio Express-News

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The facade was donated to the Conservation Society in 1986 by the partners of the Fairmount Hotel Company and was restored and enlarged.

The facade was donated to the Conservation Society in 1986 by the partners of the Fairmount Hotel Company and was restored and enlarged.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

The facade was donated to the Conservation Society in 1986 by the... Photo-4589088.61867 - San Antonio Express-News

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Taboola Gallery Frame Item-85307.61867 - San Antonio Express-News

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Built around 1882, the Heidgen-Zilker House was located in the area once known as the Irish Flats neighborhood.

Built around 1882, the Heidgen-Zilker House was located in the area once known as the Irish Flats neighborhood.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

Built around 1882, the Heidgen-Zilker House was located in the area... Photo-4589089.61867 - San Antonio Express-News

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In 1968, the house was donated to the Conservation Society by the estate of Charles A. Zilker.

In 1968, the house was donated to the Conservation Society by the estate of Charles A. Zilker.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

In 1968, the house was donated to the Conservation Society by the... Photo-4589090.61867 - San Antonio Express-News

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The Hertzberg Clock was first installed in front of the Eli Hertzberg Jewelry Company on Commerce Street in 1878. In 1910, the clock moved to the corner of St. Mary's and Houston streets.

The Hertzberg Clock was first installed in front of the Eli Hertzberg Jewelry Company on Commerce Street in 1878. In 1910, the clock moved to the corner of St. Mary's and Houston streets.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

The Hertzberg Clock was first installed in front of the Eli... Photo-4589091.61867 - San Antonio Express-News

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The company moved in 1964 leaving the clock by its lonesome. According to the conservation website, in 1982, the clock was donated to the foundation.

The company moved in 1964 leaving the clock by its lonesome. According to the conservation website, in 1982, the clock was donated to the foundation.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

The company moved in 1964 leaving the clock by its lonesome.... Photo-4589092.61867 - San Antonio Express-News

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Taboola Gallery Frame Item-85307.61867 - San Antonio Express-News

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The Jose Antonio Navarro complex was purchased by the Conservation Society in 1960. The structures were built in 1850 and were the home of the famous Texas patriot and signer of the Texas Declaration of Independence. less

The Jose Antonio Navarro complex was purchased by the Conservation Society in 1960. The structures were built in 1850 and were the home of the famous Texas patriot and signer of the Texas Declaration of ... more

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

The Jose Antonio Navarro complex was purchased by the Conservation... Photo-4589093.61867 - San Antonio Express-News

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The Conservation Society deeded the property to the Texas Parks and Wildlife Department in 1975. In 2008, control of the site was transferred to the Texas Historical Commission.

The Conservation Society deeded the property to the Texas Parks and Wildlife Department in 1975. In 2008, control of the site was transferred to the Texas Historical Commission.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

The Conservation Society deeded the property to the Texas Parks and... Photo-4589094.61867 - San Antonio Express-News

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The home of author William Sidney Porter, or "O. Henry," has moved twice. It's original location was 904 S. Presa St. In 1959, the Conservation Society purchased the home and moved it to the grounds of the Lone Star Brewery. less

The home of author William Sidney Porter, or "O. Henry," has moved twice. It's original location was 904 S. Presa St. In 1959, the Conservation Society purchased the home and moved it to the grounds of the Lone ... more

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

The home of author William Sidney Porter, or "O. Henry,"... Photo-4589095.61867 - San Antonio Express-News

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It changed ownership a few times before being purchased by David Carter and MLP Partnership and moved to its current site at Laredo and Dolorosa.

It changed ownership a few times before being purchased by David Carter and MLP Partnership and moved to its current site at Laredo and Dolorosa.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

It changed ownership a few times before being purchased by David... Photo-4589096.61867 - San Antonio Express-News

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Taboola Gallery Frame Item-85307.61867 - San Antonio Express-News

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The Rand Building was constructed in 1913 and most famously housed the Wolff and Marx department store.

The Rand Building was constructed in 1913 and most famously housed the Wolff and Marx department store.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

The Rand Building was constructed in 1913 and most famously housed... Photo-4589097.61867 - San Antonio Express-News

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In 1981, the Conservation Society purchased the building and sold it in the same year to Randstone Ventures for preservation.

In 1981, the Conservation Society purchased the building and sold it in the same year to Randstone Ventures for preservation.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

In 1981, the Conservation Society purchased the building and sold... Photo-4589098.61867 - San Antonio Express-News

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The Reuter Building, 217-219 Alamo Plaza, was built in 1891.

The Reuter Building, 217-219 Alamo Plaza, was built in 1891.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

The Reuter Building, 217-219 Alamo Plaza, was built in 1891. Photo-4589099.61867 - San Antonio Express-News

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In 1978, the facade was given to the foundation by the building's owner, Thomas Wight, for restoration.

In 1978, the facade was given to the foundation by the building's owner, Thomas Wight, for restoration.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

In 1978, the facade was given to the foundation by the... Photo-4589100.61867 - San Antonio Express-News

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Taboola Gallery Frame Item-85307.61867 - San Antonio Express-News

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The windows of St. Joseph Catholic Church were restored using a grant from the Conservation Society.

The windows of St. Joseph Catholic Church were restored using a grant from the Conservation Society.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

The windows of St. Joseph Catholic Church were restored using a... Photo-4589101.61867 - San Antonio Express-News

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St. Joseph Catholic Church is located at 623 E. Houston St.

St. Joseph Catholic Church is located at 623 E. Houston St.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

St. Joseph Catholic Church is located at 623 E. Houston St. Photo-4589102.61867 - San Antonio Express-News

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The Staake Building, 309 E. Commerce St., was built in 1894 for the Staacke Brothers' carriage business.

The Staake Building, 309 E. Commerce St., was built in 1894 for the Staacke Brothers' carriage business.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

The Staake Building, 309 E. Commerce St., was built in 1894 for the... Photo-4589103.61867 - San Antonio Express-News

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The Conservation Society purchased the building in 1979, saving it from demolition. The next year, it was later sold to a group of local investors.

The Conservation Society purchased the building in 1979, saving it from demolition. The next year, it was later sold to a group of local investors.

Photo: COURTESY OF SAN ANTONIO CONSERVATION SOCIETY

The Conservation Society purchased the building in 1979, saving it... Photo-4589104.61867 - San Antonio Express-News

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Taboola Gallery Frame Item-85307.61867 - San Antonio Express-News

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Prominent San Antonio architect James Riely Gordon built the Stevens building, 315 E. Commerce St., for John James Stevens in 1891, according to the society's website.

Prominent San Antonio architect James Riely Gordon built the Stevens building, 315 E. Commerce St., for John James Stevens in 1891, according to the society's website.